package com.aoip.telemetry.telemetry.configureui.admin.controller.common;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.aoip.telemetry.telemetry.configureui.common.file.service.FileBaseService;
import com.aoip.telemetry.telemetry.entity.common.FileBaseEntity;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
import com.aoip.telemetry.telemetry.core.config.RuoYiConfig;
import com.aoip.telemetry.telemetry.configureui.common.constant.Constants;
import com.aoip.telemetry.telemetry.core.entity.AjaxResult;
import com.aoip.telemetry.telemetry.configureui.common.utils.StringUtils;
import com.aoip.telemetry.telemetry.configureui.common.utils.file.FileUploadUtils;
import com.aoip.telemetry.telemetry.configureui.common.utils.file.FileUtils;
import com.aoip.telemetry.telemetry.configureui.framework.config.ServerConfig;

/**
 * 通用请求处理
 *
 * @author ruoyi
 */
@RestController
public class CommonController {
    private static final Logger log = LoggerFactory.getLogger(CommonController.class);

    @Resource
    private FileBaseService fileBaseService;
    @Autowired
    private ServerConfig serverConfig;

    /**
     * 通用下载请求
     *
     * @param id 文件编码
     */
    @GetMapping("/v1/GET/file/download/{id}")
    public void fileDownload(@PathVariable String id, HttpServletResponse response, HttpServletRequest request) {
        try {
            FileBaseEntity file = fileBaseService.file(id);
            if (file == null) {
                throw new Exception(StringUtils.format("文件不存在，请核实！ "));
            }
            String fileName = file.getFileName();
            String realFileName = System.currentTimeMillis() + fileName.substring(fileName.indexOf("_") + 1);
            String filePath = RuoYiConfig.getDownloadPath() + fileName;
            response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
            FileUtils.setAttachmentResponseHeader(response, realFileName);
            FileUtils.writeBytes(filePath, response.getOutputStream());
        } catch (Exception e) {
            log.error("下载文件失败", e);
        }
    }
    /**
     * 通用下载请求
     *
     * @param fileName 文件名称
     * @param delete   是否删除
     */
    @GetMapping("common/download")
    public void fileDownload(String fileName, Boolean delete, HttpServletResponse response, HttpServletRequest request) {
        try {
            if (!FileUtils.checkAllowDownload(fileName)) {
                throw new Exception(StringUtils.format("文件名称({})非法，不允许下载。 ", fileName));
            }
            String realFileName = System.currentTimeMillis() + fileName.substring(fileName.indexOf("_") + 1);
            String filePath = RuoYiConfig.getDownloadPath() + fileName;

            response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
            FileUtils.setAttachmentResponseHeader(response, realFileName);
            FileUtils.writeBytes(filePath, response.getOutputStream());
//            if (delete) {
//                FileUtils.deleteFile(filePath);
//            }
        } catch (Exception e) {
            log.error("下载文件失败", e);
        }
    }

    /**
     * 通用上传请求
     */
    @PostMapping("/common/upload")
    public AjaxResult uploadFile(MultipartFile file) throws Exception {
        try {
            // 上传文件路径
            String filePath = RuoYiConfig.getUploadPath();
            // 上传并返回新文件名称
            String fileName = FileUploadUtils.upload(filePath, file);
            String originalFilename = file.getOriginalFilename();
            String url = serverConfig.getUrl() + fileName;
            AjaxResult ajax = AjaxResult.success();
            ajax.put("fileName", originalFilename);
            ajax.put("url", url);
            FileBaseEntity fileBaseEntity = new FileBaseEntity();
            fileBaseEntity.setFileName(originalFilename);
            fileBaseEntity.setFilePath(fileName);
            String[] fileNameSplit = fileName.split("\\.");
            if(fileNameSplit.length > 0) {
                fileBaseEntity.setFileType(fileNameSplit[fileNameSplit.length - 1]);
            }
            fileBaseEntity.setFileSize(file.getSize());
            fileBaseService.insert(fileBaseEntity);
            ajax.put("id", fileBaseEntity.getId());
            return ajax;
        } catch (Exception e) {
            return AjaxResult.error(e.getMessage());
        }
    }

    /**
     * 本地资源通用下载
     */
    @GetMapping("/common/download/resource")
    public void resourceDownload(String resource, HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        try {
            if (!FileUtils.checkAllowDownload(resource)) {
                throw new Exception(StringUtils.format("资源文件({})非法，不允许下载。 ", resource));
            }
            // 本地资源路径
            String localPath = RuoYiConfig.getProfile();
            // 数据库资源地址
            String downloadPath = localPath + StringUtils.substringAfter(resource, Constants.RESOURCE_PREFIX);
            // 下载名称
            String downloadName = StringUtils.substringAfterLast(downloadPath, "/");
            response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
            FileUtils.setAttachmentResponseHeader(response, downloadName);
            FileUtils.writeBytes(downloadPath, response.getOutputStream());
        } catch (Exception e) {
            log.error("下载文件失败", e);
        }
    }
}
